Grid tube with coupled-cavity output, with coupling element inte

Details Grid tube with coupled-cavity output, with coupling element inte Grid tube with coupled-cavity output, with coupling element inte

1990-07-02

1992-11-24

Yusko, Donald J.

Electric lamp and discharge devices

Discharging devices with apertured electrode interposed...

Non-uniformly spaced from another electrode

313293, 313247, 313250, 313257, 315 539, 315 3953, H01J 2110

Patent

active

051665751

ABSTRACT:
To increase the frequency without restricting the power and vice versa, of vacuum tubes such as triodes and tetrodes for high-frequency amplification, especially for radio and television broadcasting designers are often limited by the relatively high output capacitance between the anode and the grid of the tube. To reduce this capacitance, especially when the tube is in a circuit for extracting energy from coupled cavities, the cavity coupling is integrated into the tube itself.

REFERENCES:
patent: 3327156 (1967-06-01), Geralch
patent: 3337933 (1967-08-01), Seiffarth et al.
patent: 3742292 (1973-06-01), Geralch
patent: 4295077 (1981-10-01), Carter et al.
patent: 4456851 (1984-06-01), Tomcavage
patent: 4639633 (1987-01-01), Hoet et al.

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